LANG Sai Qiang · BEIJING BEI DI KE
453rank
-15.2Butler · 100 bds
-0.15per board
±4.1swing
-0.25vs par /bd · #427/672
-0.07adjusted /bd
by round
vs par split: bidding +0.25 · play +0.15
Strength of schedule: opponents averaged +0.09/bd (a tough draw) → opponent-adjusted -0.07/bd
Card play — on target: opening leads 83.3% #279 of 671 · declarer play 93.3% #38 of 671 · defence 81.2% #484 of 672
| vs NT | vs a suit | |
|---|---|---|
| Opening leads | · | 83.3% (18) |
| Declarer play | · | 93.3% (15) |
| Defence | · | 81.2% (32) |
Opening leads by suit led: ♠ 83.3% (6) · ♦ 83.3% (6) · ♣ 83.3% (6)
vs par by strain: a suit +0.40 (68)
vs par by level: part-score +0.61 (31) · game +0.21 (34) · slam +0.33 (3)
By role: declaring +0.36/bd (-1.42 vs par · 50) · defending -0.67/bd (+0.92 vs par · 50)
By vulnerability: vulnerable +0.11/bd (-1.20 vs par · 54) · not vulnerable -0.46/bd (+0.87 vs par · 46)
By round↑ top
| Round | Partner | Opponents | Room | Bds | Butler | Avg | vs par |
|---|---|---|---|---|---|---|---|
| Round 1 | K.Zhang | J.Goenka – S.Iyengar | Closed | 10 | -4.4 | -0.44 | -1.80 |
| Round 4 | K.Zhang | Y.Zhao – L.Lin | Closed | 10 | +21.5 | +2.15 | +2.30 |
| Round 5 | K.Zhang | Z.Chen – C.Wang | Closed | 10 | +19.5 | +1.95 | +2.90 |
| Round 6 | K.Zhang | M.Zhu – X.Bao | Closed | 10 | +1.6 | +0.16 | +1.20 |
| Round 7 | Y.Wang | G.Tislevoll – M.Rahelt | Closed | 10 | -4.4 | -0.44 | -1.40 |
| Round 10 | K.Zhang | Z.He – J.Hu | Closed | 10 | -21.6 | -2.16 | -0.70 |
| Round 11 | K.Zhang | A.Madala – A.Sementa | Closed | 10 | -29.4 | -2.94 | -3.20 |
| Round 12 | Y.Wang | I.Bonev – V.Batov | Closed | 10 | -0.7 | -0.07 | -1.10 |
| Round 14 | Y.Wang | Y.Wu – J.Gao | Closed | 10 | +15.8 | +1.58 | -1.10 |
| Round 15 | Y.Wang | G.Ghanem – N.Hattar-Ghanem | Closed | 10 | -13.1 | -1.31 | +0.40 |
Every board — best Butler first↑ top
vs par = IMPs this pair scored above (+) or below (−) the board’s double-dummy par — what bidding and play (theirs and the opponents’) added or gave away against perfect play.
| Butler | Round | Opponents | Bd | Contract | Lead | Res | vs par |
|---|---|---|---|---|---|---|---|
| +9.1 | Round 10 | JIANGSU | 9 | 5♥x | ♠2 | -1 | +11 |
| +9.0 | Round 7 | DENNOR | 5 | 5♠x | ♦Q | = | +10 |
| +7.7 | Round 14 | SUZHOU TAIHU | 14 | 6♠ | ♥9 | = | -10 |
| +7.6 | Round 4 | BLUEMAROON | 8 | 4♠ | ♦Q | = | +7 |
| +7.2 | Round 4 | BLUEMAROON | 4 | 5♦ | ♣Q | = | -1 |
| +5.7 | Round 5 | WONDERS INFO | 16 | 2N | ♣J | -1 | +6 |
| +5.2 | Round 5 | WONDERS INFO | 13 | 3N | ♠2 | = | +5 |
| +4.9 | Round 5 | WONDERS INFO | 12 | 2♦ | ♣A | = | +5 |
| +4.8 | Round 15 | PETRA | 30 | 4♥ | ♠10 | = | -2 |
| +4.7 | Round 1 | INDIA RED | 3 | 5N | ♠7 | = | +0 |
| +4.2 | Round 5 | WONDERS INFO | 19 | 3♠ | ♥3 | = | +6 |
| +4.1 | Round 15 | PETRA | 24 | 2♥ | ♠7 | = | +1 |
| +3.4 | Round 4 | BLUEMAROON | 9 | 2♠ | ♣8 | +1 | +1 |
| +3.3 | Round 6 | SHANGHAI SHENGTAOSHA | 24 | 2N | ♠K | -2 | +6 |
| +3.2 | Round 11 | LAVAZZA | 14 | 2♦ | ♠3 | +4 | +15 |
| +3.1 | Round 12 | CHATEAU ROSSENOVO | 27 | 4♥ | ♦Q | +1 | -5 |
| +2.9 | Round 6 | SHANGHAI SHENGTAOSHA | 26 | 4♠ | ♥Q | +2 | +6 |
| +2.9 | Round 11 | LAVAZZA | 15 | 4♠ | ♣A | -1 | -2 |
| +2.7 | Round 15 | PETRA | 27 | 4♥ | ♠3 | -1 | +5 |
| +2.6 | Round 6 | SHANGHAI SHENGTAOSHA | 25 | 3♥ | ♣K | -1 | +6 |
| +2.4 | Round 14 | SUZHOU TAIHU | 15 | 3♦ | ♠9 | = | +0 |
| +2.4 | Round 14 | SUZHOU TAIHU | 16 | 4♠ | ♣6 | = | +0 |
| +2.3 | Round 5 | WONDERS INFO | 18 | 4♠ | ♣A | -1 | +5 |
| +2.3 | Round 12 | CHATEAU ROSSENOVO | 26 | 4♥ | ♣A | -1 | +6 |
| +2.1 | Round 4 | BLUEMAROON | 10 | 2♣ | ♠7 | +1 | +0 |
| +2.1 | Round 14 | SUZHOU TAIHU | 18 | 2♥ | ♦5 | +2 | +6 |
| +2.1 | Round 14 | SUZHOU TAIHU | 20 | 5♣ | ♥A | = | -1 |
| +1.9 | Round 5 | WONDERS INFO | 14 | 2♠ | ♣5 | +1 | +1 |
| +1.6 | Round 5 | WONDERS INFO | 20 | 4♥ | ♣2 | +1 | +0 |
| +1.4 | Round 1 | INDIA RED | 9 | 3N | ♦2 | +2 | +0 |
| +1.4 | Round 5 | WONDERS INFO | 17 | 2N | ♠2 | -1 | +4 |
| +1.3 | Round 12 | CHATEAU ROSSENOVO | 30 | 4♥ | ♦A | -1 | +5 |
| +1.2 | Round 11 | LAVAZZA | 13 | 2♥ | ♠2 | = | +1 |
| +1.2 | Round 15 | PETRA | 23 | 2♠ | ♠A | -1 | +5 |
| +1.0 | Round 4 | BLUEMAROON | 5 | 1N | ♦5 | -1 | -1 |
| +1.0 | Round 7 | DENNOR | 2 | 1N | ♦8 | = | -1 |
| +0.9 | Round 7 | DENNOR | 6 | 4♥ | ♥J | +1 | +0 |
| +0.8 | Round 4 | BLUEMAROON | 1 | 5♦ | ♥5 | -1 | +4 |
| +0.8 | Round 7 | DENNOR | 4 | 4♥ | ♠3 | +1 | +0 |
| +0.7 | Round 1 | INDIA RED | 4 | 2♥ | ♠A | +1 | +0 |
| +0.6 | Round 1 | INDIA RED | 1 | 3♦ | ♣K | +2 | +7 |
| +0.6 | Round 1 | INDIA RED | 2 | 4♠x | ♥3 | -2 | +0 |
| +0.6 | Round 14 | SUZHOU TAIHU | 13 | 5♠ | ♣K | +1 | -6 |
| +0.5 | Round 4 | BLUEMAROON | 6 | 3♠ | ♣10 | +1 | +10 |
| +0.5 | Round 12 | CHATEAU ROSSENOVO | 24 | 1N | ♦8 | +1 | +6 |
| +0.5 | Round 14 | SUZHOU TAIHU | 17 | 2N | ♥2 | = | +0 |
| +0.5 | Round 15 | PETRA | 28 | 1N | ♦J | -2 | +2 |
| +0.3 | Round 4 | BLUEMAROON | 7 | 1N | ♥2 | = | +2 |
| +0.2 | Round 6 | SHANGHAI SHENGTAOSHA | 27 | 4♥ | ♦K | -1 | +5 |
| +0.2 | Round 10 | JIANGSU | 5 | 3N | ♣J | +3 | +10 |
| +0.2 | Round 12 | CHATEAU ROSSENOVO | 25 | 3N | ♥4 | +1 | -5 |
| +0.2 | Round 15 | PETRA | 22 | 4♠ | ♦3 | +1 | +5 |
| +0.1 | Round 4 | BLUEMAROON | 2 | 3N | ♥8 | +1 | +0 |
| +0.1 | Round 7 | DENNOR | 1 | 4♥ | ♦7 | = | +1 |
| +0.1 | Round 7 | DENNOR | 3 | 2♥ | ♦7 | = | -9 |
| +0.1 | Round 7 | DENNOR | 9 | 4♥ | ♦K | +1 | +11 |
| +0.1 | Round 14 | SUZHOU TAIHU | 11 | 2♠ | ♣Q | -1 | +4 |
| +0.0 | Round 1 | INDIA RED | 8 | 2Nx | ♣5 | -1 | +0 |
| -0.0 | Round 6 | SHANGHAI SHENGTAOSHA | 28 | 3N | ♥10 | +2 | +0 |
| -0.0 | Round 10 | JIANGSU | 7 | 2N | ♣4 | -1 | -9 |
| +0.0 | Round 10 | JIANGSU | 10 | 2♠ | ♣5 | = | +0 |
| -0.1 | Round 12 | CHATEAU ROSSENOVO | 22 | 3♦ | ♥10 | = | -1 |
| -0.4 | Round 6 | SHANGHAI SHENGTAOSHA | 23 | 3♥ | ♦4 | = | +0 |
| -0.4 | Round 6 | SHANGHAI SHENGTAOSHA | 30 | 3N | ♠2 | -1 | -5 |
| -0.5 | Round 10 | JIANGSU | 6 | 3N | ♦2 | = | -1 |
| -0.5 | Round 12 | CHATEAU ROSSENOVO | 23 | 5♦ | ♠9 | -1 | -6 |
| -0.5 | Round 14 | SUZHOU TAIHU | 19 | 1N | ♥3 | +1 | -6 |
| -0.7 | Round 1 | INDIA RED | 10 | 4♥ | ♠4 | +1 | -4 |
| -0.9 | Round 6 | SHANGHAI SHENGTAOSHA | 29 | 2♦ | ♦7 | +1 | +0 |
| -1.0 | Round 6 | SHANGHAI SHENGTAOSHA | 22 | 2♠ | ♦Q | +1 | -6 |
| -1.0 | Round 12 | CHATEAU ROSSENOVO | 21 | 3♥ | ♦3 | +1 | -2 |
| -1.2 | Round 11 | LAVAZZA | 19 | 4♠ | ♣J | +1 | -1 |
| -1.3 | Round 5 | WONDERS INFO | 11 | 2♠ | ♦A | = | -5 |
| -1.3 | Round 11 | LAVAZZA | 17 | 2N | ♣Q | -1 | -4 |
| -1.5 | Round 4 | BLUEMAROON | 3 | 3N | ♥9 | +1 | +1 |
| -1.5 | Round 12 | CHATEAU ROSSENOVO | 29 | 3♠ | ♦K | -1 | +0 |
| -1.6 | Round 14 | SUZHOU TAIHU | 12 | 3♠ | ♠5 | -1 | +2 |
| -1.8 | Round 1 | INDIA RED | 5 | 4♠ | ♦A | -1 | -5 |
| -1.9 | Round 7 | DENNOR | 7 | 4♠ | ♥5 | -1 | -6 |
| -2.6 | Round 11 | LAVAZZA | 11 | 3N | ♥Q | = | +1 |
| -2.8 | Round 11 | LAVAZZA | 12 | 2♥ | ♦A | -2 | -11 |
| -2.9 | Round 10 | JIANGSU | 1 | 1N | ♦K | = | +0 |
| -3.0 | Round 11 | LAVAZZA | 18 | 4♣ | ♠4 | = | -1 |
| -3.4 | Round 1 | INDIA RED | 6 | 3♠ | ♦2 | -2 | -3 |
| -3.5 | Round 10 | JIANGSU | 2 | 5♦ | ♦5 | = | +0 |
| -3.6 | Round 15 | PETRA | 26 | 1N | ♦4 | -1 | -6 |
| -4.4 | Round 15 | PETRA | 21 | 3N | ♦4 | -1 | -5 |
| -4.7 | Round 6 | SHANGHAI SHENGTAOSHA | 21 | 4♥ | ♣A | +1 | +0 |
| -5.0 | Round 12 | CHATEAU ROSSENOVO | 28 | 3N | ♠4 | -1 | -9 |
| -6.0 | Round 10 | JIANGSU | 4 | 3♣ | ♣J | -2 | -3 |
| -6.4 | Round 5 | WONDERS INFO | 15 | 6♦ | ♦J | = | +2 |
| -6.5 | Round 1 | INDIA RED | 7 | 4♥ | ♠4 | -1 | -13 |
| -7.2 | Round 7 | DENNOR | 10 | 3N | ♣Q | -2 | -8 |
| -7.3 | Round 7 | DENNOR | 8 | 4♠ | ♦3 | = | -12 |
| -8.0 | Round 10 | JIANGSU | 8 | 3Nx | ♣2 | -2 | -5 |
| -9.1 | Round 15 | PETRA | 29 | 2♠ | ♣Q | +2 | -10 |
| -9.5 | Round 15 | PETRA | 25 | 6♠ | ♦6 | = | +9 |
| -10.0 | Round 10 | JIANGSU | 3 | 4♠ | ♠6 | = | -10 |
| -12.4 | Round 11 | LAVAZZA | 20 | 6N | ♦9 | -1 | -17 |
| -13.4 | Round 11 | LAVAZZA | 16 | 6N | ♥3 | = | -13 |